Mazda MAZDA6 2009–2012 — technical service bulletin
Bulletin 01-016-12-2640B · NHTSA communication 10097755 · issued Oct 19, 2012
Technical service bulletin
communication type
Engine
component
2009–2012
model years
4
vehicle entries
Official summary
Some vehicles may exhibit an unusual squeak noise when the engine is idling, or just at the moment when the engine is shut off. The noise may be audible from inside the vehicle if one or more windows are open, or if any passenger is opening a door to exit the vehicle. Due to engine vibration and a lack of seal ring lubrication, the mesh in the seal ring (a) rides in the flared portion (b) of the catalytic converter (c) resulting in a slight noise from the exhaust system while the engine is running. The friction between the exhaust system parts and the resulting slight noise are normal. This fr
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.